IT8347642A0 - DEVICE WITH SAFETY SWITCH FOR HYDRAULIC CIRCUITS - Google Patents

DEVICE WITH SAFETY SWITCH FOR HYDRAULIC CIRCUITS

Info

Publication number
IT8347642A0
IT8347642A0 IT8347642A IT4764283A IT8347642A0 IT 8347642 A0 IT8347642 A0 IT 8347642A0 IT 8347642 A IT8347642 A IT 8347642A IT 4764283 A IT4764283 A IT 4764283A IT 8347642 A0 IT8347642 A0 IT 8347642A0
Authority
IT
Italy
Prior art keywords
safety switch
hydraulic circuits
hydraulic
circuits
safety
Prior art date
Application number
IT8347642A
Other languages
Italian (it)
Other versions
IT1164606B (en
Inventor
Fichtner Friedrich
Masannek Rein-Hard
Original Assignee
Orenstein & Koppel Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Orenstein & Koppel Ag filed Critical Orenstein & Koppel Ag
Publication of IT8347642A0 publication Critical patent/IT8347642A0/en
Application granted granted Critical
Publication of IT1164606B publication Critical patent/IT1164606B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Operation Control Of Excavators (AREA)
IT47642/83A 1982-02-02 1983-02-01 DEVICE WITH SAFETY SWITCH FOR HYDRAULIC CIRCUITS IT1164606B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3203432A DE3203432C2 (en) 1982-02-02 1982-02-02 Hand-operated, route-dependent ballast control device on the driver's cab of a construction machine

Publications (2)

Publication Number Publication Date
IT8347642A0 true IT8347642A0 (en) 1983-02-01
IT1164606B IT1164606B (en) 1987-04-15

Family

ID=6154560

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47642/83A IT1164606B (en) 1982-02-02 1983-02-01 DEVICE WITH SAFETY SWITCH FOR HYDRAULIC CIRCUITS

Country Status (5)

Country Link
JP (1) JPS58134209A (en)
DE (1) DE3203432C2 (en)
FR (1) FR2520816B1 (en)
GB (1) GB2118276B (en)
IT (1) IT1164606B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001681C1 (en) * 1990-01-22 1990-12-20 Wirth Maschinen- Und Bohrgeraete-Fabrik Gmbh, 5140 Erkelenz, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689796A (en) * 1950-06-30 1953-04-08 Charles Bernard Marshall Improvements in or relating to hydraulic stop valves
US3183977A (en) * 1962-12-03 1965-05-18 Allis Chalmers Mfg Co Tractor power lift system
JPS50137494U (en) * 1974-04-27 1975-11-12
US3960059A (en) * 1974-12-09 1976-06-01 Caterpillar Tractor Co. Fast exhaust circuit for hydraulic jacks
FR2357764A1 (en) * 1976-07-06 1978-02-03 Poclain Sa AT LEAST TWO FLUID MOTOR UNITS
DE2649793C2 (en) * 1976-10-29 1983-09-08 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Safety control for a hydraulically operated press

Also Published As

Publication number Publication date
DE3203432C2 (en) 1985-02-14
JPS58134209A (en) 1983-08-10
JPH0366526B2 (en) 1991-10-17
GB8302447D0 (en) 1983-03-02
FR2520816B1 (en) 1985-07-26
DE3203432A1 (en) 1983-08-11
IT1164606B (en) 1987-04-15
GB2118276A (en) 1983-10-26
FR2520816A1 (en) 1983-08-05
GB2118276B (en) 1985-06-19

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950227